210216545000000 has 448 divisors, whose sum is σ = 650101016987136. Its totient is φ = 65521920000000.

The previous prime is 210216544999939. The next prime is 210216545000003. The reversal of 210216545000000 is 545612012.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (210216545000003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384726992 + ... + 385273008.

Almost surely, 2^{210216545000000} is an apocalyptic number.

210216545000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210216545000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325050508493568).

210216545000000 is an abundant number, since it is smaller than the sum of its proper divisors (439884471987136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210216545000000 is an frugal number, since it uses more digits than its factorization.

210216545000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546082 (or 546042 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 210216545000000 in words is "two hundred ten trillion, two hundred sixteen billion, five hundred forty-five million", and thus it is an aban number.